教学内容青岛版义务教育课程标准实验教科书四年级下册第19～23页。教材简析本信息窗呈现的是济南长途汽车总站繁忙有序的场景。图中以文字和统计表的形式提供了丰富的数学信息。通过引导学生解决“大巴车每周运送 Teaching content Qingdao compulsory education curriculum standard experimental textbook fourth grade Volume 19 ~ 23 pages. Textbook Analysis This information window presents a busy and orderly scene of Jinan Coach Station. The figure provides rich mathematical information in the form of texts and statistical tables. By guiding students to solve ”weekly bus delivery